An algorithm for median filtering on the basis of merging of ordered columns

Selected Algorithms of Quantitative Image Analysis for Measurements of Properties Characterizing Interfacial Interactions at High Temperatures

“…Therefore, many modifications of the classical median filtration were developed, described for example in (Huang, 1981;Pitas and Venetsanopou, 1990;Gil and Werman, 1993;Guangjin and Jiegu, 1997;Wu and Horng, 2003;Kravchonok et al, 2007;Lee et al, 2007). In general, they involve different techniques, which allow one to determine noise-corrupted pixels and decrease the number of pixels subjected to median filtration.…”

An Algorithm for Salt and Pepper Noise Removal Based on Information Entropy

“…Salt and pepper noise is a kind of impulse noise which can significantly degrade an image [1]. In the past few years, there have been many approaches proposed to remove salt and pepper noise [1][2][3][4][5][6][7][8][9][10][11][12][13][14].The median filtering and its modifications are the popularly used methods because of their good de-noising power and computational efficiency [1][2][3]. However, these approaches cannot distinguish the noise and sharp edges in an image, thus they tend to modify pixels that are not affected by noise.…”